/*
 * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef URL_H
#define URL_H

#include <stdbool.h>

/*
 * Checks that the path can be safely processed. Namely, it should not contain
 * "..", which denotes an attempt to get out of the DATA_DIR root folder.
 * The path is required.
 * The suffix is required but can be an empty string
 */
bool
check_request_path(const char *, const char *);
/*
 * Encode a string to use in an HTTP context.
 * Returns NULL in case of error, or the encoded string in case of success.
 */
char *
url_encode(const char *);

/*
 * Build an URL from the provided components.
 * The first argument is the destination buffer where the URL will be written.
 * It is required.
 * The second argument is the size of the destination buffer. It is required.
 * The remaining arguments are the url parts which should end with a NULL
 * component.
 * Returns the number of characters written to the destination buffer. If it
 * is equal to the destination buffer size, it means the buffer was too small
 * and the resulting URL has been truncated.
 */
size_t
url_build(char *, size_t,...);

#endif				/* URL_H */